From fe824d73405983bc048fe7a0cc9654f05ef1c3f5 Mon Sep 17 00:00:00 2001
From: mibi88 <76903855+mibi88@users.noreply.github.com>
Date: Fri, 2 Aug 2024 18:29:27 +0200
Subject: [PATCH] Inventory management.

---
 src/game.c      | 23 ++++++++++++++----
 src/game.h      |  9 +++++++
 src/inventory.c | 64 +++++++++++++++++++++++++++++++++++++++++++++++++
 src/inventory.h |  3 +++
 4 files changed, 95 insertions(+), 4 deletions(-)

diff --git a/src/game.c b/src/game.c
index 61f8987..8aae513 100644
--- a/src/game.c
+++ b/src/game.c
@@ -37,6 +37,10 @@ void game_init(Game *game) {
     events_bind_variable(&game->handler, (int *)&game->player.life, "life");
     events_bind_variable(&game->handler, &game->mana, "mana");
     inventory_init(&game->inventory);
+    /* For debugging */
+    game->inventory.slots[5].i = I_GLOVE;
+    game->inventory.slots[1].i = I_ARMOR;
+    game->inventory.slots[8].i = I_TALISMAN;
 
     // reload_npc(&game);
 }
@@ -191,16 +195,27 @@ void game_get_inputs(Game *game) {
                 clearevents();
                 sleep();
             }
-        if(keydown(KEY_SHIFT))
-            game->inventory.selected = game->inventory.selection;
-        if(keydown(KEY_OPTN)) {
-            game->player.is_male = !game->player.is_male;
+        if(keydown(KEY_OPTN))
+            inventory_move_from_selected(&game->inventory);
             /* TODO: Make something cleaner */
             while(keydown(KEY_OPTN)) {
                 clearevents();
                 sleep();
             }
+        if(keydown(KEY_SQUARE)) {
+            inventory_use(&game->inventory, &game->player);
         }
+        if(keydown(KEY_F1)) {
+            inventory_unequip(&game->inventory, IT_TALISMAN);
+        }
+        if(keydown(KEY_F2)) {
+            inventory_unequip(&game->inventory, IT_ARMOR);
+        }
+        if(keydown(KEY_F3)) {
+            inventory_unequip(&game->inventory, IT_WEAPON);
+        }
+        if(keydown(KEY_SHIFT))
+            game->inventory.selected = game->inventory.selection;
     } else {
         /* Player actions - Prototypes in player.h and implementation in
          * player.c */
diff --git a/src/game.h b/src/game.h
index 9670a4c..f42269a 100644
--- a/src/game.h
+++ b/src/game.h
@@ -32,6 +32,15 @@ typedef enum {
     I_AMOUNT
 } Item;
 
+typedef enum {
+    IT_NONE,
+    IT_TALISMAN,
+    IT_ARMOR,
+    IT_WEAPON,
+    IT_FOOD,
+    IT_AMOUNT
+} ItemType;
+
 typedef struct {
     Item i : 4;
     unsigned char durability;
diff --git a/src/inventory.c b/src/inventory.c
index 5289fc1..ec1836a 100644
--- a/src/inventory.c
+++ b/src/inventory.c
@@ -10,6 +10,16 @@ extern bopti_image_t selected_img;
 extern bopti_image_t player_male_inv_img;
 extern bopti_image_t player_female_inv_img;
 
+char item_types[I_AMOUNT] = {
+    IT_NONE,
+    IT_ARMOR,
+    IT_WEAPON,
+    IT_WEAPON,
+    IT_FOOD,
+    IT_FOOD,
+    IT_TALISMAN
+};
+
 void inventory_init(Inventory *inventory) {
     inventory->open = 0;
     memset(inventory->slots, 0, sizeof(Slot)*SLOT_NUM);
@@ -49,6 +59,7 @@ void inventory_draw(Inventory *inventory, Player *player) {
                player->is_male ? &player_male_inv_img : &player_female_inv_img);
 #endif
     }
+    /* TODO: Stats. */
 }
 
 char inventory_add(Inventory *inventory, Item item) {
@@ -63,6 +74,59 @@ char inventory_add(Inventory *inventory, Item item) {
     return 1;
 }
 
+void inventory_move_from_selected(Inventory *inventory) {
+    if(inventory->selected < 0) return;
+    Slot current = inventory->slots[inventory->selection];
+    Slot new = inventory->slots[inventory->selected];
+    inventory->slots[inventory->selection] = new;
+    inventory->slots[inventory->selected] = current;
+}
+
+void inventory_use(Inventory *inventory, Player *player) {
+    Item item = inventory->slots[inventory->selection].i;
+    switch(item_types[item]){
+        case IT_TALISMAN:
+            inventory->equipped[0] = inventory->slots[inventory->selection];
+            break;
+        case IT_ARMOR:
+            inventory->equipped[1] = inventory->slots[inventory->selection];
+            break;
+        case IT_WEAPON:
+            inventory->equipped[2] = inventory->slots[inventory->selection];
+            break;
+        case IT_FOOD:
+            /* TODO */
+            break;
+        default:
+            break;
+    }
+    inventory->slots[inventory->selection].i = I_NONE;
+    inventory->slots[inventory->selection].durability = 255;
+}
+
+void inventory_unequip(Inventory *inventory, ItemType type) {
+    if(inventory->slots[inventory->selection].i) return;
+    switch(type){
+        case IT_TALISMAN:
+            inventory->slots[inventory->selection] = inventory->equipped[0];
+            inventory->equipped[0].i = I_NONE;
+            inventory->equipped[0].durability = 255;
+            break;
+        case IT_ARMOR:
+            inventory->slots[inventory->selection] = inventory->equipped[1];
+            inventory->equipped[1].i = I_NONE;
+            inventory->equipped[1].durability = 255;
+            break;
+        case IT_WEAPON:
+            inventory->slots[inventory->selection] = inventory->equipped[2];
+            inventory->equipped[2].i = I_NONE;
+            inventory->equipped[2].durability = 255;
+            break;
+        default:
+            break;
+    }
+}
+
 void inventory_move_selection(Inventory *inventory, Direction direction) {
     switch(direction) {
     case D_UP:
diff --git a/src/inventory.h b/src/inventory.h
index 4e547f6..5bc3116 100644
--- a/src/inventory.h
+++ b/src/inventory.h
@@ -7,6 +7,9 @@
 void inventory_init(Inventory *inventory);
 void inventory_draw(Inventory *inventory, Player *player);
 char inventory_add(Inventory *inventory, Item item);
+void inventory_move_from_selected(Inventory *inventory);
+void inventory_use(Inventory *inventory, Player *player);
+void inventory_unequip(Inventory *inventory, ItemType type);
 void inventory_move_selection(Inventory *inventory, Direction direction);
 
 #endif